Datasheet > CS3318

CS3318

更新时间： 2024-01-21 05:07:40

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
44页	644K
描述
8-Channel Analog Volume Control

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CS3318 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Active	零件包装代码：	QFP
包装说明：	LFQFP, QFP48,.35SQ,20	针数：	48
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	2.21
信道分离：	110 dB	商用集成电路类型：	VOLUME CONTROL CIRCUIT
JESD-30 代码：	S-PQFP-G48	JESD-609代码：	e3
长度：	7 mm	信道数量：	8
功能数量：	1	端子数量：	48
最高工作温度：	70 °C	最低工作温度：	-10 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	LFQFP
封装等效代码：	QFP48,.35SQ,20	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
电源：	3.3,+-9 V	认证状态：	Not Qualified
座面最大高度：	1.6 mm	子类别：	Audio Control ICs
最大供电电压 (Vsup)：	9.45 V	最小供电电压 (Vsup)：	7.6 V
表面贴装：	YES	温度等级：	COMMERCIAL
端子面层：	MATTE TIN	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	40	宽度：	7 mm
Base Number Matches：	1

CS3318 数据手册

CS3318

8-Channel Analog Volume Control

Features

Description

Complete Analog Volume Control

The CS3318 is an 8-channel digitally controlled analog

volume control designed specifically for high-end audio

systems. It features a comprehensive I²C/SPI serial

control port for easy device and volume configuration.

–

8 Independently Controllable Channels

3 Configurable Master Volume and Muting

Controls

The CS3318 includes arrays of well-matched resistors

and complementary low-noise active output stages. A

total adjustable range of 118 dB, in ¼ dB steps, is

spread evenly over 96 dB of attenuation and 22 dB of

gain.

Wide Adjustable Volume Range

-96 dB to +22 dB in ¼ dB Steps

Low Distortion & Noise

–

-112 dB THD+N

127 dB Dynamic Range

The CS3318 implements configurable zero-crossing

detection to provide glitch-free volume-level changes.

Noise-Free Level Transitions

–

Zero-Crossing Detection with

Programmable Time-Out

The I²C/SPI control interface provides for easy system

integration of up to 128 CS3318 devices over a single 2-

wire I²C or 3-wire SPI bus, allowing many channels of

volume control with minimal system controller I/O re-

quirements. Devices may be controlled on an individual

and grouped basis, simplifying simultaneous configura-

tion of a group of channels across multiple devices,

while allowing discrete control over all channels on an

individual basis.

Low Channel-to-Channel Crosstalk

120 dB Inter-Channel Isolation

–

Comprehensive Serial Control Port

–

Supports I²C^®and SPI^TMCommunication

Independent Control of up to 128 Devices

on a Shared 2-Wire I²C or 3-Wire SPI

Control Bus

Supports Individual and Grouped Control of

all CS3318 Devices on the I²C or SPI

Control Bus

The device operates from ±8 V to ±9 V analog supplies

and has an input/output voltage range of ±6.65 V to

±7.65 V. The digital control interface operates at +3.3 V.

–

The CS3318 is available in a 48-pin LQFP package in

Commercial grade (-10° to 70° C). The CS3318 Cus-

tomer Demonstration board is also available for device

evaluation. Refer to “Ordering Information” on page 44

for complete details.

Flexible Power Supply Voltages

–

±8 V to ±9 V Analog Supply

+3.3 V Digital Supply

±8 V to ±9 V

8-Channel

Analog

Inputs

+3.3 V

8-Channel

Analog

Outputs

I²C / SPI

Control

Port

I²C/SPI

Serial

Control

Zero Crossing

Detector

DECEMBER '06

DS693F1

http://www.cirrus.com

12 3 4 5 6 7...44

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